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Finding the Fourth Proportional to 588,346.11, 811,892.04 and 326,685.12

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Solution

The fourth proportional to 588,346.11, 811,892.04 and 326,685.12 is: 450,811.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,346.11 : 811,892.04 = 326,685.12 : x
  2. Step 2: Convert to fraction form
    588,346.11/811,892.04 = 326,685.12/x
  3. Step 3: Cross multiply
    588,346.11x = 811,892.04 × 326,685.12
  4. Step 4: Simplify right side
    588,346.11x = 265,233,048,514.45
  5. Step 5: Solve for x
    x = 265,233,048,514.45/588,346.11
  6. Step 6: Final answer
    x = 450,811.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.